From 2ff78493dbf68bd3d988aebfef44614e4e5a6b36 Mon Sep 17 00:00:00 2001
From: David Rowe <david@ctrlaltstudio.com>
Date: Tue, 13 Feb 2018 10:11:18 +1300
Subject: [PATCH] A further guard

---
 scripts/system/controllers/controllerDispatcher.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/system/controllers/controllerDispatcher.js b/scripts/system/controllers/controllerDispatcher.js
index b2455b3f5a..345ab33c0d 100644
--- a/scripts/system/controllers/controllerDispatcher.js
+++ b/scripts/system/controllers/controllerDispatcher.js
@@ -479,7 +479,7 @@ Script.include("/~/system/libraries/controllerDispatcherUtils.js");
         };
     }
     function mouseReleaseOnOverlay(overlayID, event) {
-        if (overlayID === HMD.homeButtonID && event.button === "Primary") {
+        if (HMD.homeButtonID && overlayID === HMD.homeButtonID && event.button === "Primary") {
             Messages.sendLocalMessage("home", overlayID);
         }
     }